MBP Keyboard/Trackpad Issue

I don't know why, but every few minutes, my keyboard and/or trackpad just cease functioning. My keyboard will stop working mid-sentence or my trackpad will stop scrolling in the middle of a document. It is really annoying... closing and reopening the lid (sleep+wake) seems to fix the problem temporarily, but it comes back eventually.

EDIT: I'm currently running Leopard 9a559, but I never had this issue under Tiger, or Leopard beta until today.

How does that link help me? When I say they stop working, I mean it seems as though I was using an external keyboard that just got unplugged. I mean not even pressing CapsLock does anything to this thing. It just completely ceases to receive any type of input for several seconds. Interestingly enough, the CapsLock key stays lit (but becomes unresponsive) when this happens.

I'm dual-booting Leopard beta and Tiger... I can't seem to reproduce the problem in Tiger... I suppose thats the price you pay for using beta software. =(

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